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THE PHONOGRAM. placed fourteen inches in length can be attached arm is to the phonograph and used for dictating pring- purposes if desired. s done Speaking tubes from fifteen to forty- eight inches in length, to suit the wants cvlin- of the dictator, can be obtained. A good nstru- phonograph record can only be made by holding the speaking tube within a half inch of the mouth and talking directly into it. It is absolutely necessary in speaking into the tube that one should enunciate distinctly, as it is usually supposed that all sounds uttered in the same apartment will enter the tube, no matter at what Ifu distance the parties are from the phono* graph- , , , Professor Garner Must Have a Phono graph. Is it possible that after all the interest manifested bv the public in Professor Gar- No. s. ment returns all the modulations of the voice in the most perfect manner. The waves of sound striking the glass dia- phragm set in motion the sapphire-pointed needle which is connected therewith, and cause this needle to press into the revolv- ing wax cylinder, making exceedingly fine lines hardly visible to the naked eve. About eight hundred words can be recorded in tliis way on one cylinder; and the record is perfect, no matter how rapidly or slowly one talks. Cut No. 3 shows the complete armature, with shaft and commutator, and No. 4 is the field-magnet of motor F, showing bearing of armature shaft and pillars E for connection to top plate of machine. A sensitive governor provides that the machine may always be driven at a per- fectly constant speed, so that the pitch of the sound may never vary. The rubber tubes shown in Cut 5 are supplied with two vulcanite tips, and are placed in the ears of the listener. Cut No. 6 shows the standard-speaking tube, instead of which a tin horn about No. 4. ner's expedition to Africa in the cause of science and for the purpose of discovering the unknown facts with regard to the origin and, employment of articulate sounds, ho